I don't do it all the time, but when I do it's usually to increase contrast, or to mark my place in long text that I'll need to come back to. I also do it to f

I don't do it all the time, but when I do it's usually to increase contrast, or to mark my place in long text that I'll need to come back to. I also do it to find the mouse cursor. The text cursor is thin and not always easy to find amongst a large wall of text, so I'll click and start dragging and look to where the page is highlighted in order to find it.